Home / 2,212.23-3,054.42-1,549.98

Finding the Fourth Proportional to 2,212.23, 3,054.42 and 1,549.98

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Solution

The fourth proportional to 2,212.23, 3,054.42 and 1,549.98 is: 2,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.23 : 3,054.42 = 1,549.98 : x
  2. Step 2: Convert to fraction form
    2,212.23/3,054.42 = 1,549.98/x
  3. Step 3: Cross multiply
    2,212.23x = 3,054.42 × 1,549.98
  4. Step 4: Simplify right side
    2,212.23x = 4,734,289.91
  5. Step 5: Solve for x
    x = 4,734,289.91/2,212.23
  6. Step 6: Final answer
    x = 2,140.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.